Buy.com via Rakuten offers the Samsung 850 EVO 500GB Serial ATA 6Gb/s 2.5" Internal Solid State Drive, model no. MZ-75E500B/AM, for $189.99 with free shipping. That's the lowest total price we could find by $7, although we saw it for $6 less last month. It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.